Cohn crossed Trump last month when he criticised the president in a Financial Times interview for his response to the violence at a rally.
Trump reverted to his position that both sides were at fault, a day after bowing to pressure to condemn the Ku Klux Klan, neo-Nazi and white supremacists.
Past indelicacies put aside, the pair met for over an hour and a half, and had “substantive discussions” about joint action on North Korea and trade issues.
Washington has said it is ready to use force if need be to stop North Korea’s weapons programs but it prefers global diplomatic action to avert catastrophe.
The video is a edited clip of Trump’s guest appearance at WWE Wrestlmania, and it ends with a restyled CNN logo which read “FNN: Fraud News Network.”
The White House hopes the trip will shift focus away from domestic controversies and on to Donald Trump’s foreign policy agenda.
Trump has repeatedly said he would have won the popular vote, too, but for voter fraud. He has never substantiated his claim.
The review of the cyber attacks and its timeline are a signal that Obama wants the issue addressed before he hands power to President-elect Donald Trump.
The two men spoke about Syria and Ukraine for about four minutes, in what is likely to be their last in-person meeting before Obama leaves office.
“Wait until the administration is in place, it’s actually putting its policies together, and then you can make your judgments as to whether or not it’s consistent with the international community’s interest in living in peace and prosperity together.”
President Obama warned against a rise in nationalism and said a backlash against globalisation had stoked populist movements at home and abroad.
“We believe we have to work extra hard to make sure that the positive notion of what she wants to do breaks through” said Jennifer Palmeiri, a spokesperson.
“If we do our job, then Hillary will be elected president of the US. But if we do not do our jobs, then it’s still possible for her [Hillary Clinton] to lose,” said Obama.
Obama endorsed Clinton last month with a forceful video in which he stated that no one had been so qualified for the job of America’s next president.